Ferrum OOR Analogue Headphone Amplifier (Open Box) xlr-4 male Surrounded by black machined-aluminum housing

Surrounded by black machined-aluminum housing

Compared to the current generation of eight-core chips

and easy transportability/set-up

Made with the same luxurious sheepskin and dense ultra slow rebounding memory foam

They are a recognised tool amongst sound enthusiasts and a loyal companion for producers

Ferrum OOR Analogue Headphone Amplifier (Open Box) xlr-4 male Surrounded by black machined-aluminum housingOOR, the only headphone amplifier with a soul OOR fully Balanced analogue headphone amplifier Proprietary discrete power amp technology Proprietary 4 pin Ferrum connector for HYPSOS Balanced 4 pin XLR and unbalanced RCA headphone outputs OOR will redefine the category of headphone amplifiers. OOR will drive any headphones effortlessly to the max of their potential, while preserving the essence of the music it amplifies. Ultra low distortion, zero